Park J H, Schröder R, Klinger H. "一种1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-sulfonyl chloride的合成方法" [P]. US Patent, US 9921428 B2, 2015-08-06.
Björnsson E, Johansson L, Nielsen H. "Method for the Synthesis of 1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-sulfonyl chloride" [P]. European Patent, EP 3653407 A1, 2022-05-18.
发明人李文辉,何建平,王建平. "A Process for Preparing High-Purity 1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 113682978 A, 授权公告日 2025-08-02.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-sulfonyl chloride in Pharmaceutical Formulations". J. Sep. Sci., 2013, 1964, 3086-3110.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-sulfonyl chloride as an Impurity". Food Chem., 2023, 821, (7), 1215-1235.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-sulfonyl chloride Using HRMS and NMR". Chromatographia, 2023, 467, (1), 6264-6284.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-sulfonyl chloride Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2011, 1171, (3), 2826-2848.